107665979 has 2 divisors, whose sum is σ = 107665980. Its totient is φ = 107665978.

The previous prime is 107665969. The next prime is 107666011. The reversal of 107665979 is 979566701.

It is a weak prime.

It is an emirp because it is prime and its reverse (979566701) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-107665979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (107665939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53832989 + 53832990.

It is an arithmetic number, because the mean of its divisors is an integer number (53832990).

Almost surely, 2^107665979 is an apocalyptic number.

107665979 is a deficient number, since it is larger than the sum of its proper divisors (1).

107665979 is an equidigital number, since it uses as much as digits as its factorization.

107665979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 107665979 is about 10376.2218075752. The cubic root of 107665979 is about 475.7288592455.

The spelling of 107665979 in words is "one hundred seven million, six hundred sixty-five thousand, nine hundred seventy-nine".